/* Variables */
:root {
    --primary: #4ade80;        /* Neon Green */
    --primary-dark: #22c55e;
    --primary-glow: rgba(74, 222, 128, 0.5);
    
    --bg-dark: #050505;        /* Deep Black */
    --bg-card: #0f0f0f;        /* Slightly lighter black */
    --bg-card-hover: #171717;
    
    --text-white: #f9fafb;
    --text-gray: #9ca3af;
    --text-dark: #111827;
    
    --border-color: #333333;
    
    --font-main: 'Inter', sans-serif;
    
    --container-width: 1200px;
    --header-height: 80px;
    
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utils */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-highlight {
    color: var(--primary);
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), #22c55e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-dark);
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-white);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn.small {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn.full-width {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.nav-link:hover {
    color: var(--primary);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.groot-card {
    width: 300px;
    height: 400px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(74, 222, 128, 0.1), transparent 70%);
    position: relative;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

.leaf-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary);
    filter: drop-shadow(0 0 10px var(--primary-glow));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* About */
.about-grid {
    margin-bottom: 4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2.5rem;
    color: var(--text-white);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background-color: var(--bg-card-hover);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    color: var(--text-white);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-links a {
    color: var(--text-gray);
}

.project-links a:hover {
    color: var(--primary);
}

.project-description {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    min-height: 48px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.project-tags li {
    font-size: 0.75rem;
    color: var(--primary);
    background-color: rgba(74, 222, 128, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.projects-cta {
    text-align: center;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.skill-category {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.category-title {
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background-color: #1a1a1a;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--primary);
    color: var(--text-white);
}

.proficiency-section {
    max-width: 800px;
    margin: 0 auto;
}

.proficiency-title {
    color: var(--text-white);
    margin-bottom: 2rem;
}

.proficiency-item {
    margin-bottom: 1.5rem;
}

.proficiency-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary);
    border-radius: 3px;
    position: relative;
 }

 .progress-fill::after {
    content: '';
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
 }

 @keyframes shimmer {
    100% { transform: translateX(100%); }
 }

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-white);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 8px;
    color: var(--text-white);
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-info-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-title {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.info-text {
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item .icon {
    width: 40px;
    height: 40px;
    background-color: rgba(74, 222, 128, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.detail-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
}

.detail-item .value {
    color: var(--text-white);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.25rem;
}

.social-links a {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.social-links a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
    display: block;
}

.footer-links h4 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.link-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.link-column a {
    font-size: 0.9rem;
}

.link-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none; /* Simplification: Hide nav on mobile for this MVP, generally would add hamburger */
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}